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1/25/2018 7:38:29 AM
Posted: 3/18/2002 5:32:44 AM EST
I just bought a Colt ar-15 A2 sporter H-bar pre ban, and I was wondering if a 1 in 7 means the bullet turns 1 revolution in 7 inches. Are these barrels better or worse than the 1 in 9 I have seen?
Link Posted: 3/18/2002 5:44:18 AM EST
Yea, 1 turn in 7 inches. Different twist rates for different bullet weights. 1/7 heavier bullets 1/9 lighter bullets.
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